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Deferred Government Grants (Details)
$ in Thousands
12 Months Ended
Jun. 23, 2020
USD ($)
Jun. 23, 2020
CNY (¥)
Dec. 31, 2021
USD ($)
Dec. 31, 2021
CNY (¥)
Oct. 17, 2014
CNY (¥)
Deferred Government Grants [Abstract]          
Subsidy received         ¥ 46,150,000
Amount received $ 6,820 ¥ 47,100,000      
Other income     $ 1,600 ¥ 10,000,000  
Subsidy     $ 5,900 ¥ 37,100,000